diff --git a/www/cgi-bin/cgi.lua b/www/cgi-bin/cgi.lua
index 5d47013..b37d322 100644
--- a/www/cgi-bin/cgi.lua
+++ b/www/cgi-bin/cgi.lua
@@ -1,4 +1,4 @@
-#! /usr/bin/lua
+#! /usr/bin/env lua
 
 local cgi = {}
 
diff --git a/www/cgi-bin/koth.lua b/www/cgi-bin/koth.lua
index f002bbd..cb46c87 100644
--- a/www/cgi-bin/koth.lua
+++ b/www/cgi-bin/koth.lua
@@ -1,4 +1,4 @@
-#! /usr/bin/lua
+#! /usr/bin/env lua
 
 local koth = {}
 
diff --git a/www/cgi-bin/puzzler.cgi b/www/cgi-bin/puzzler.cgi
index a8637d1..655a242 100755
--- a/www/cgi-bin/puzzler.cgi
+++ b/www/cgi-bin/puzzler.cgi
@@ -1,4 +1,4 @@
-#! /usr/bin/lua
+#! /usr/bin/env lua
 
 package.path = "?.lua;cgi-bin/?.lua;www/cgi-bin/?.lua"
 
diff --git a/www/cgi-bin/puzzles.cgi b/www/cgi-bin/puzzles.cgi
index b2ab687..1e0b199 100755
--- a/www/cgi-bin/puzzles.cgi
+++ b/www/cgi-bin/puzzles.cgi
@@ -1,4 +1,4 @@
-#! /usr/bin/lua
+#! /usr/bin/env lua
 
 package.path = "?.lua;cgi-bin/?.lua;www/cgi-bin/?.lua"
 
diff --git a/www/cgi-bin/register.cgi b/www/cgi-bin/register.cgi
index 8c5e310..c1ca49d 100755
--- a/www/cgi-bin/register.cgi
+++ b/www/cgi-bin/register.cgi
@@ -1,4 +1,4 @@
-#! /usr/bin/lua
+#! /usr/bin/env lua
 
 package.path = "?.lua;cgi-bin/?.lua;www/cgi-bin/?.lua"